CN114285210A - Temperature controller for micro motor - Google Patents
Temperature controller for micro motor Download PDFInfo
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- CN114285210A CN114285210A CN202111617541.5A CN202111617541A CN114285210A CN 114285210 A CN114285210 A CN 114285210A CN 202111617541 A CN202111617541 A CN 202111617541A CN 114285210 A CN114285210 A CN 114285210A
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Abstract
The invention relates to the technical field of controllers, in particular to a temperature controller for a micro motor, which comprises a motor body; the motor comprises a motor body and is characterized in that a protective sleeve is sleeved on the side wall of the motor body, a cavity is formed in the protective sleeve, one end of the protective sleeve is connected with a sliding cavity, an airflow hole communicated with the inner end of the sliding cavity is formed in the end part of the protective sleeve, a sliding block is connected in the sliding cavity in a sliding mode, an elastic piece is connected between the sliding block and the end part of the sliding cavity, one end, far away from the airflow hole, of the sliding block is connected with a push rod, and the motor body is connected with a point-contact switch; the motor temperature control structure can reduce the situation that the motor is burnt out due to overhigh continuous working temperature, improves the difficulty of the motor during assembly and processing by installing the temperature control structure outside the motor body, is easy to replace and maintain after being damaged, reduces the situation that the motor is accidentally damaged in the process of disassembly, and greatly improves the practicability of the motor.
Description
Technical Field
The invention relates to the technical field of controllers, in particular to a temperature controller for a micro motor.
Background
The temperature controller is according to operational environment's temperature variation, takes place physical deformation in the switch inside to produce some special effects, produce and switch on or break off a series of automatic control components of action, perhaps electronic component under different temperatures, operating condition's different principles provide temperature data for the circuit, with the temperature data is gathered to the power supply circuit, some motors of current when using, in order to avoid the motor to burn out because of lasting operating temperature is too high, can set up temperature sensor in motor inside usually.
However, because the size of the micro motor is small, the temperature controller arranged in the motor not only increases the assembly and processing difficulty of the motor, but also ensures that the temperature controller is not easy to replace and maintain after being damaged, thereby influencing the use effect of the micro motor.
Therefore, a temperature controller for a micro motor is proposed to solve the above problems.
Disclosure of Invention
In order to make up for the defects of the prior art and solve the problems that the size of the micro motor is small, the temperature controller arranged in the motor not only increases the assembly and processing difficulty of the motor, but also is not easy to replace and maintain after the temperature controller is damaged, so that the use effect of the micro motor is influenced, the invention provides the temperature controller for the micro motor.
The technical scheme adopted by the invention for solving the technical problems is as follows: a temperature controller for a micro motor comprises a motor body; the motor comprises a motor body, and is characterized in that a protective sleeve is sleeved on the side wall of the motor body, a heat conduction layer is arranged on the side wall of the protective sleeve, which is attached to the motor body, a cavity is formed in the protective sleeve, one end of the protective sleeve is connected with a sliding cavity, an airflow hole communicated with the inner end of the sliding cavity is formed in the end part of the protective sleeve, a sliding block is connected in the sliding cavity in a sliding manner, the side wall of the sliding block is attached to the inner wall of the sliding cavity, an elastic piece is connected between the sliding block and the end part of the sliding cavity, one end, far away from the airflow hole, of the sliding block is connected with a push rod, and a point-contact switch capable of controlling the motor body to run is connected to the motor body corresponding to one side of the push rod; when the miniature motor works, because the volume of the miniature motor is smaller, the temperature controller is arranged in the motor, so that the assembly and processing difficulty of the motor is increased, and the temperature controller is not easy to replace and maintain after being damaged, thereby influencing the use effect of the motor; when the temperature controller for the micro motor is used, the protective sleeve is sleeved outside the motor, when the motor works continuously and the temperature on the surface of the motor is gradually high, the heat conducting layer can timely and efficiently absorb the heat on the side wall of the motor body, so that the effect of dissipating the heat inside the motor is achieved, meanwhile, the gas inside the cavity is heated and expanded, the cavity can be filled with nitrogen and other gases which are easily expanded when being heated, the gas in the cavity can be more efficiently expanded when being heated, the sliding block is driven to move towards the outer end of the sliding cavity, the point contact switch is pressed until the push rod on the sliding block, the point contact switch works and controls the motor to stop working, the situation that the motor is burnt out due to overhigh continuous working temperature is reduced, and the difficulty of the motor in assembly and processing is improved by installing the temperature control structure outside the motor body, meanwhile, the temperature control structure is easy to replace and maintain after being damaged, the situation that the motor is accidentally damaged in the disassembly process due to the fact that the temperature controller is arranged inside the motor is reduced, and the practicability of the motor is greatly improved.
Preferably, a magnetic block is fixedly connected to the side wall of the sliding cavity far away from the airflow hole, and the magnetic block can attract the sliding block; during operation, when the slider moves to magnetic block one side gradually under the effect of the inside atmospheric pressure of cavity, the magnetic block can exert certain appeal to the slider, thereby promote the slider to drive the push rod and press to point touch switch, the magnetic block can play certain fixed effect to the slider simultaneously, make the inside atmospheric pressure of cavity still can make push rod and point touch switch on the slider press when reducing, the shut down time of motor has been prolonged greatly, make the motor can reserve sufficient time and dispel the heat, when the atmospheric pressure of cavity reduces to certain degree, the slider receives the inside atmospheric pressure of cavity and the effort of elastic component be greater than the appeal of magnetic block this moment, make slider and magnetic block break away from and reset, thereby make point touch switch no longer work, and make the work of motor can continue to go on.
Preferably, the cavity is filled with cooling liquid which is evaporated when heated; the during operation, the liquid water that meets the easy evaporation of heat can be chooseed for use to the coolant liquid, and when the inside temperature of cavity risees gradually, the coolant liquid can effectual heat absorption when the evaporation this moment, promotes the inside temperature decline of motor body, also promotes the inside pressure increase of cavity simultaneously for the slider can more effective slip under the effect of the inside atmospheric pressure of cavity, thereby drives push rod control point contact switch and carries out efficient work.
Preferably, two groups of liquid receiving plates are symmetrically connected to the inner ring side wall and the outer ring side wall of the cavity respectively, the liquid receiving plates are arc-shaped, and the free ends of the liquid receiving plates are bent upwards; when the temperature controller works, when the temperature in the cavity is gradually reduced, part of water vapor can be condensed into water drops on the side wall of the cavity and flows downstream to each liquid receiving plate along the side wall of the cavity, the distribution area of the cooling liquid is increased, the cooling liquid can be in contact with air in a larger area, the evaporation efficiency of the subsequent cooling liquid is improved, and the use effect of the temperature controller is further improved.
Preferably, the end part of the liquid receiving plate is rotationally connected to the side wall of the cavity through a torsional spring, the inner ring of the cavity and the liquid receiving plate on the outer ring are distributed in a staggered manner, the side wall of the cavity corresponding to the bottom end of the liquid receiving plate is connected with a magnetic strip capable of attracting the liquid receiving plate, the top end of the middle part of the side wall of the inner ring of the cavity is fixedly connected with a storage cavity, the bottom end of the storage cavity is connected with a water permeable cavity made of a grid plate, a plurality of ball-shaped impact blocks are arranged in the storage cavity, the top end of the storage cavity is connected with an elastic membrane, a group of discharge holes are formed in the elastic membrane, and the bottom end of the storage cavity is connected with an expansion block made of a water-swelling water-stop strip material; when the device works, when a part of cooling liquid is evaporated into water vapor and passes through the water permeable cavity to be contacted with the expansion block, the expansion block gradually expands and extrudes the impact block upwards until the impact block is ejected out through the elastic discharge hole and falls onto the liquid receiving plate, at the moment, the impact block can impact the liquid receiving plate, so that the liquid receiving plate rotates back and forth, meanwhile, the shaking of surface cooling liquid and the flowing of air are promoted, the evaporation efficiency of the cooling liquid is further accelerated, meanwhile, the impact block can be ejected onto the liquid receiving plate adjacent to the bottom end under the rebounding force of the liquid receiving plate until the impact block stays in a certain liquid receiving plate, along with the gradual increase of the cooling liquid collected in the liquid receiving plate, the free end of the liquid receiving plate gradually moves towards one side of the magnetic strip until the magnetic strip attracts the liquid receiving plate and enables the free end to incline downwards, and the impact block can continuously move downwards from the liquid receiving plate and impact the liquid receiving plate at the bottom, thereby greatly promoting the gas flow in the cavity and the evaporation of the cooling liquid and further improving the use effect of the temperature controller.
Preferably, the bottom end of the storage cavity is symmetrically connected with slide rods, the bottom end of each slide rod is slidably connected with an expansion block, the impact blocks are sequentially slidably connected with the slide rods from top to bottom, the discharge holes are formed in the elastic membrane at positions corresponding to the top ends of the slide rods, and an interlayer is connected between the elastic membrane corresponding to the two symmetrical discharge holes and the outer ring side wall of the cavity; the during operation, the inflation piece can drive the striking piece upward movement on the slide bar during upward movement gradually, is extruded until the effectual discharge opening of following of the striking piece at slide bar top, reduces the striking piece and takes place the dislocation and be difficult to by the circumstances of extrusion when the extrusion, and the striking piece of extruding from two discharge openings simultaneously can roll down to both sides respectively under the separation of interlayer, reduces the striking piece and falls the circumstances that leads to the liquid board work effect imbalance of both sides at random.
Preferably, a traction rope is respectively connected between the end parts of two adjacent liquid receiving plates; during operation, the liquid receiving plates are connected through the traction rope, so that one liquid receiving plate can drive the other connected liquid receiving plates to synchronously shake when shaking, the shaking effect of the gas in the cavity and the cooling liquid on the liquid receiving plates is further promoted, and the working quality of the temperature controller is further improved.
Preferably, a water absorbing layer is attached to the side wall of the cavity corresponding to one side of the top end of the liquid receiving plate, and the bottom end of the water absorbing layer is attached to the top surface of the corresponding liquid receiving plate; during operation, the layer that absorbs water can absorb the coolant liquid that collects in the liquid receiving plate, makes the even laminating of inside absorbent coolant liquid at the cavity inner circle simultaneously, has improved the cooling effect of coolant liquid to the lag, has also promoted the evaporation of coolant liquid simultaneously.
Preferably, an oil storage cavity is arranged inside the slide bar, the bottom end of the oil storage cavity is connected with a pressure block in a sliding mode, an elastic body is connected between the pressure block and the bottom end of the oil storage cavity, a group of oil outlet holes are formed in the position, corresponding to the impact block, of the side wall of the top end of the slide bar, a lubricating groove is formed in the position, attached to the slide bar, of the top end of the expansion block, a supporting tube is connected inside the lubricating groove, and an absorption block made of water-absorbing materials is filled at the end, close to the slide bar, of the supporting tube; during operation, press lubricating oil into inside the oil storage chamber in advance, the striking piece upward movement on the slide bar is promoted on the top of the expansion piece, when stay tube and oil outlet on the expansion piece were aligned, lubricating oil in the oil storage chamber flowed into the absorption piece from the oil outlet under the extrusion of pressure piece this moment, later along with the continuation inflation of expansion piece, the absorption piece can be with absorbing lubricating oil coating between slide bar and expansion piece are inside, thereby reduce the frictional resistance when expanding piece and slide bar relative motion, make the expansion piece can stabilize effectual promotion striking piece and move.
Preferably, the lubricating groove and the supporting tube penetrate through the expansion block, a coating layer is wrapped on the side wall of the expansion block, the coating layer is connected with the absorption block through a conveying strip, and the coating layer and the conveying strip are both made of water-absorbing materials; during operation, when the stay tube on the inflation piece was aligned with the oil outlet, the lubricating oil that flowed into in the absorption piece this moment can move to each surface of coating through the transfer chain to make follow-up inflation piece surface when the inflation, can pass through the coating and coat lubricating oil between the lateral wall of inflation piece and storage chamber, the greatly reduced inflation piece when the inflation and the storage chamber lateral wall between frictional resistance.
The invention has the following beneficial effects:
1. the motor temperature control structure can reduce the situation that the motor is burnt out due to overhigh continuous working temperature, improves the difficulty of the motor in assembly and processing by installing the temperature control structure outside the motor body, is easy to replace and maintain after being damaged, reduces the situation that the motor is accidentally damaged in the disassembly process due to the fact that the temperature controller is arranged inside the motor, and greatly improves the practicability of the motor.
2. When the temperature in the cavity is gradually reduced, part of water vapor can be condensed into water drops on the side wall of the cavity and flows downstream to each liquid receiving plate along the side wall of the cavity, so that the distribution area of the cooling liquid is increased, the cooling liquid can be in contact with air in a larger area, the evaporation efficiency of the subsequent cooling liquid is improved, and the use effect of the temperature controller is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a schematic view of the interior of the protective sleeve of the present invention;
FIG. 5 is an enlarged view at B in FIG. 4;
FIG. 6 is a schematic structural diagram of a storage chamber in the second embodiment;
in the figure: the device comprises a motor body 1, a protective sleeve 2, a heat conduction layer 3, a cavity 4, a sliding cavity 5, an airflow hole 6, a sliding block 7, an elastic piece 8, a push rod 9, a point contact switch 10, a magnetic block 11, cooling liquid 12, a liquid receiving plate 13, a magnetic strip 14, a storage cavity 15, a water permeable cavity 16, an impact block 17, an elastic membrane 18, a discharge hole 19, an expansion block 20, a sliding rod 21, an interlayer 22, a traction rope 23, a water absorption layer 24, an oil storage cavity 25, a pressure block 26, an elastic body 27, an oil outlet 28, a support pipe 29, an absorption block 30, a coating layer 31 and a conveying strip 32.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1 to 5, a temperature controller for a micro motor according to the present invention includes a motor body 1; the motor comprises a motor body 1, and is characterized in that a protective sleeve 2 is sleeved on the side wall of the motor body 1, a heat conduction layer 3 is arranged on the side wall of the protective sleeve 2, which is attached to the motor body 1, a cavity 4 is formed inside the protective sleeve 2, one end of the protective sleeve 2 is connected with a sliding cavity 5, an air flow hole 6 communicated with the inner end of the sliding cavity 5 is formed in the end part of the protective sleeve 2, a sliding block 7 is slidably connected inside the sliding cavity 5, the side wall of the sliding block 7 is attached to the inner wall of the sliding cavity 5, an elastic part 8 is connected between the sliding block 7 and the end part of the sliding cavity 5, one end of the sliding block 7, which is far away from the air flow hole 6, is connected with a push rod 9, and a point-contact switch 10 capable of controlling the motor body 1 to operate is connected to the motor body 1 corresponding to one side of the push rod 9; when the miniature motor works, because the volume of the miniature motor is smaller, the temperature controller is arranged in the motor, so that the assembly and processing difficulty of the motor is increased, and the temperature controller is not easy to replace and maintain after being damaged, thereby influencing the use effect of the motor; when the temperature controller for the micro motor is used, the protective sleeve 2 is sleeved outside the motor, when the motor works continuously and the temperature on the surface of the motor is gradually high, the heat conducting layer 3 can timely and efficiently absorb heat on the side wall of the motor body 1, so that the effect of dissipating heat inside the motor is achieved, meanwhile, gas inside the cavity 4 can be heated and expanded, the cavity 4 can be filled with nitrogen and other gases which are easy to expand when being heated, the gas inside the cavity 4 can be more efficiently expanded when being heated, the sliding block 7 is driven to move towards the outer end of the sliding cavity 5, until the push rod 9 on the sliding block 7 presses the point contact switch 10, the point contact switch 10 works and controls the motor to stop working, the situation that the motor is burnt out due to overhigh continuous working temperature is reduced, and the temperature control structure is installed outside the motor body 1, the difficulty of the motor in assembly and processing is improved, meanwhile, the temperature control structure is easy to replace and maintain after being damaged, the situation that the motor is accidentally damaged in the disassembly process due to the fact that the temperature controller is arranged inside the motor is reduced, and the practicability of the motor is greatly improved.
The side wall of the sliding cavity 5 far away from the airflow hole 6 is fixedly connected with a magnetic block 11, and the magnetic block 11 can attract the sliding block 7; when in work, when the slide block 7 moves towards one side of the magnetic block 11 gradually under the action of the air pressure in the cavity 4, the magnetic block 11 can apply certain attraction to the slide block 7, thereby promoting the sliding block 7 to drive the push rod 9 to press the point contact switch 10, simultaneously the magnetic block 11 can play a certain fixing effect on the sliding block 7, when the air pressure in the cavity 4 is reduced, the push rod 9 on the slide block 7 and the point contact switch 10 can still be pressed, the stop time of the motor is greatly prolonged, the motor can reserve enough time for heat dissipation, when the air pressure in the cavity 4 is reduced to a certain degree, the force of the air pressure in the cavity 4 and the elastic element 8 on the sliding block 7 is greater than the attraction force of the magnetic block 11, so that the sliding block 7 is separated from the magnetic block 11 and is reset, thereby making the point-contact switch 10 inoperative and enabling the operation of the motor to continue.
The cavity 4 is filled with cooling liquid 12 which is evaporated when heated; the during operation, the liquid water that meets the easy evaporation of heat can be chooseed for use to coolant liquid 12, and when the inside temperature of cavity 4 risees gradually, coolant liquid 12 can effectual heat absorption when the evaporation this moment, promotes the inside temperature decline of motor body, also promotes the inside pressure increase of cavity 4 simultaneously for slider 7 can more effective slip under the effect of the inside atmospheric pressure of cavity 4, thereby drives push rod 9 control point contact switch 10 and carries out efficient work.
Two groups of liquid receiving plates 13 are symmetrically connected to the inner ring side wall and the outer ring side wall of the cavity 4 respectively, the liquid receiving plates 13 are arc-shaped, and the free ends of the liquid receiving plates 13 are bent upwards; during operation, when the temperature in the cavity 4 is gradually reduced, part of the water vapor can be condensed into water drops on the side wall of the cavity 4 and flows downstream to the liquid receiving plates 13 along the side wall of the cavity 4, so that the distribution area of the cooling liquid 12 is increased, the cooling liquid 12 can be in contact with the air in a larger area, the evaporation efficiency of the subsequent cooling liquid 12 is improved, and the use effect of the temperature controller is further improved.
The end part of the liquid receiving plate 13 is rotatably connected to the side wall of the cavity 4 through a torsion spring, the inner ring of the cavity 4 and the liquid receiving plate 13 on the outer ring are distributed in a staggered manner, the side wall of the cavity 4 corresponding to the bottom end of the liquid receiving plate 13 is connected with a magnetic strip 14 capable of attracting the liquid receiving plate 13, the top end of the middle part of the side wall of the inner ring of the cavity 4 is fixedly connected with a storage cavity 15, the bottom end of the storage cavity 15 is connected with a water permeable cavity 16 made of a grid plate, a plurality of ball-shaped impact blocks 17 are arranged in the storage cavity 15, the top end of the storage cavity 15 is connected with an elastic membrane 18, a group of discharge holes 19 are formed in the elastic membrane 18, and the bottom end of the storage cavity 15 is connected with an expansion block 20 made of a water-swelling water-stopping strip material; when the cooling device works, when a part of the cooling liquid 12 is evaporated into water vapor and passes through the water permeable cavity 16 to contact with the expansion block 20, the expansion block 20 gradually expands and extrudes the impact block 17 upwards until the impact block 17 is ejected through the elastic discharge hole 19 and falls onto the liquid receiving plate 13, at this time, the impact block 17 can impact the liquid receiving plate 13, so that the liquid receiving plate 13 rotates back and forth, meanwhile, the shaking of the surface cooling liquid 12 and the flowing of air are promoted, the evaporation efficiency of the cooling liquid 12 is further accelerated, meanwhile, the impact block 17 can be ejected onto the liquid receiving plate 13 adjacent to the bottom end under the resilience of the liquid receiving plate 13 until the impact block 17 stays inside one liquid receiving plate 13, as the cooling liquid 12 collected inside the liquid receiving plate 13 gradually increases, the free end of the liquid receiving plate 13 gradually moves towards the magnetic strip 14 side until the magnetic strip 14 attracts the liquid receiving plate 13 and enables the free end to incline downwards, so that the impact block 17 can continue to move downwards from the liquid receiving plate 13 and impact the liquid receiving plate 13 at the bottom, thereby greatly promoting the gas flow inside the cavity 4 and the evaporation of the cooling liquid 12 and further improving the use effect of the temperature controller.
The bottom end of the storage cavity 15 is symmetrically connected with a slide rod 21, the bottom end of the slide rod 21 is slidably connected with an expansion block 20, the impact block 17 is sequentially slidably connected with the slide rod 21 from top to bottom, the discharge holes 19 are formed in the elastic membrane 18 and correspond to the top end of the slide rod 21, and an interlayer 22 is connected between the elastic membrane 18 corresponding to the two symmetrical discharge holes 19 and the outer ring side wall of the cavity 4; during operation, the expansion block 20 can drive the impact block 17 on the slide bar 21 to move upwards when moving upwards gradually, the impact block 17 at the top of the slide bar 21 is effectively pressed out from the discharge holes 19, the situation that the impact block 17 is difficult to press out due to dislocation with the discharge holes 19 during pressing is reduced, the impact blocks 17 pressed out from the two discharge holes 19 can roll down to two sides respectively under the separation of the interlayer 22, and the situation that the working effects of the liquid receiving plates 13 on two sides are unbalanced due to random falling of the impact blocks 17 is reduced.
A traction rope 23 is respectively connected between the end parts of two adjacent liquid receiving plates 13; when the temperature controller works, the liquid receiving plates 13 are connected through the traction ropes 23, so that one liquid receiving plate 13 can drive the other connected liquid receiving plates 13 to synchronously shake when shaking, the shaking effect of the gas in the cavity 4 and the cooling liquid 12 on the liquid receiving plates 13 is further promoted, and the working quality of the temperature controller is further improved.
A water absorption layer 24 is attached to the side wall of the cavity 4 corresponding to one side of the top end of the liquid receiving plate 13, and the bottom end of the water absorption layer 24 is attached to the top surface of the corresponding liquid receiving plate 13; during operation, the layer 24 that absorbs water can absorb the coolant 12 that collects in the liquid receiving plate 13, makes the even laminating of inside adsorbed coolant 12 circle in cavity 4 simultaneously, has improved the cooling effect of coolant 12 to lag 2, has also promoted the evaporation of coolant 12 simultaneously.
Example two:
referring to fig. 6, an oil storage cavity 25 is arranged inside the slide rod 21, a pressure block 26 is slidably connected to the bottom end of the oil storage cavity 25, an elastic body 27 is connected between the pressure block 26 and the bottom end of the oil storage cavity 25, a group of oil outlet holes 28 are formed in the side wall position of the top end of the slide rod 21 corresponding to the impact block 17, a lubrication groove is formed in the position where the top end of the expansion block 20 is attached to the slide rod 21, a support tube 29 is connected inside the lubrication groove, and an absorption block 30 made of a water-absorbing material is filled in the end portion, close to the slide rod 21, of the support tube 29; when the lubricating oil pump works, lubricating oil is pressed into the oil storage cavity 25 in advance, when the top end of the expansion block 20 pushes the impact block 17 on the sliding rod 21 to move upwards until the supporting pipe 29 on the expansion block 20 is aligned with the oil outlet 28, the lubricating oil in the oil storage cavity 25 flows into the absorption block 30 from the oil outlet 28 under the extrusion of the pressure block 26, and then the absorption block 30 can coat the absorbed lubricating oil between the sliding rod 21 and the interior of the expansion block 20 along with the continuous expansion of the expansion block 20, so that the friction resistance when the expansion block 20 and the sliding rod 21 move relatively is reduced, and the expansion block 20 can stably and effectively push the impact block 17 to move.
The lubricating groove and the supporting pipe 29 penetrate through the expansion block 20, the side wall of the expansion block 20 is wrapped with a coating layer 31, the coating layer 31 is connected with the absorption block 30 through a conveying strip 32, and the coating layer 31 and the conveying strip 32 are both made of water-absorbing materials; in operation, when the support pipe 29 on the expansion block 20 is aligned with the oil outlet 28, the lubricating oil flowing into the absorption block 30 can move to each surface of the coating layer 31 through the conveying strip 32, so that the lubricating oil can be coated between the expansion block 20 and the side wall of the storage cavity 15 through the coating layer 31 when the outer surface of the subsequent expansion block 20 expands, and the friction resistance between the expansion block 20 and the side wall of the storage cavity 15 during expansion is greatly reduced.
The working principle is as follows: the protecting sleeve 2 is sleeved outside the motor, when the motor continuously works and the temperature on the surface of the motor gradually increases, the heat conducting layer 3 can timely and efficiently absorb the heat on the side wall of the motor body 1, so that the effect of dissipating the heat inside the motor is achieved, meanwhile, the gas inside the cavity 4 is heated to expand, the cavity 4 can be filled with nitrogen and other gases which are easily expanded by heating, the gas in the cavity 4 can be more efficiently expanded by heating, the sliding block 7 is driven to move towards the outer end of the sliding cavity 5 until the push rod 9 on the sliding block 7 presses the point contact switch 10, the point contact switch 10 works and controls the motor to stop working, the situation that the motor is burnt out due to overhigh continuous working temperature is reduced, the difficulty of the motor in assembly and processing is improved by installing the temperature control structure outside the motor body 1, and meanwhile, the temperature control structure is easy to replace and maintain after being damaged, the situation that the motor is accidentally damaged in the disassembly process due to the fact that the temperature controller is arranged inside the motor is reduced, and the practicability of the motor is greatly improved; when the slider 7 moves towards the magnetic block 11 side gradually under the action of the air pressure in the cavity 4, the magnetic block 11 can apply a certain attraction force to the slider 7, thereby promoting the sliding block 7 to drive the push rod 9 to press the point contact switch 10, simultaneously the magnetic block 11 can play a certain fixing effect on the sliding block 7, when the air pressure in the cavity 4 is reduced, the push rod 9 on the slide block 7 and the point contact switch 10 can still be pressed, the stop time of the motor is greatly prolonged, the motor can reserve enough time for heat dissipation, when the air pressure in the cavity 4 is reduced to a certain degree, the force of the air pressure in the cavity 4 and the elastic element 8 on the sliding block 7 is greater than the attraction force of the magnetic block 11, so that the sliding block 7 is separated from the magnetic block 11 and is reset, so that the point-contact switch 10 is not operated any more and the operation of the motor can be continued; the cooling liquid 12 can be liquid water which is easy to evaporate when being heated, and when the temperature in the cavity 4 is gradually increased, the cooling liquid 12 can effectively absorb heat when being evaporated, so that the temperature in the motor body is promoted to be reduced, and the pressure in the cavity 4 is promoted to be increased, so that the sliding block 7 can more effectively slide under the action of the air pressure in the cavity 4, and the push rod 9 is driven to control the point-contact switch 10 to efficiently work; when the temperature in the cavity 4 is gradually reduced, part of the water vapor can be condensed into water drops on the side wall of the cavity 4 and flows downstream to each liquid receiving plate 13 along the side wall of the cavity 4, so that the distribution area of the cooling liquid 12 is increased, the cooling liquid 12 can be in contact with the air in a larger area, the evaporation efficiency of the subsequent cooling liquid 12 is improved, and the use effect of the temperature controller is further improved; when a part of the cooling liquid 12 is evaporated into water vapor and passes through the water permeable cavity 16 to contact with the expansion block 20, the expansion block 20 gradually expands and presses the impact block 17 upwards until the impact block 17 is ejected through the elastic discharge hole 19 and falls onto the liquid receiving plate 13, at this time, the impact block 17 can impact the liquid receiving plate 13, so that the liquid receiving plate 13 rotates back and forth, simultaneously the shaking of the surface cooling liquid 12 and the flow of air are promoted, thereby further accelerating the evaporation efficiency of the cooling liquid 12, at the same time, the impact block 17 can be ejected onto the liquid receiving plate 13 adjacent to the bottom end under the rebounding force of the liquid receiving plate 13 until the impact block 17 stays inside one liquid receiving plate 13, as the cooling liquid 12 collected inside the liquid receiving plate 13 gradually increases, the free end of the liquid receiving plate 13 gradually moves towards the magnetic strip 14 side until the magnetic strip 14 attracts the liquid receiving plate 13 and makes the free end downwards incline, so that the impact block 17 can continue to move downwards from the liquid receiving plate 13 and impact the liquid receiving plate 13 at the bottom, thereby greatly promoting the gas flow in the cavity 4 and the evaporation of the cooling liquid 12 and further improving the use effect of the temperature controller; when the expansion block 20 gradually moves upwards, the impact block 17 on the slide rod 21 can be driven to move upwards until the impact block 17 at the top of the slide rod 21 is effectively extruded out of the discharge hole 19, so that the situation that the impact block 17 is difficult to extrude due to dislocation with the discharge hole 19 during extrusion is reduced, meanwhile, the impact blocks 17 extruded from the two discharge holes 19 can respectively roll down towards two sides under the obstruction of the interlayer 22, and the situation that the working effects of the liquid receiving plates 13 at two sides are unbalanced due to random falling of the impact block 17 is reduced; the liquid receiving plates 13 are connected through the hauling ropes 23, so that one liquid receiving plate 13 can drive the other connected liquid receiving plates 13 to synchronously shake when shaking, the flowing of the gas in the cavity 4 and the shaking effect of the cooling liquid 12 on the liquid receiving plates 13 are further promoted, and the working quality of the temperature controller is further improved; the water absorption layer 24 can absorb the cooling liquid 12 collected in the liquid receiving plate 13, and meanwhile, the cooling liquid 12 absorbed in the water absorption layer is uniformly attached to the inner ring of the cavity 4, so that the cooling effect of the cooling liquid 12 on the protective sleeve 2 is improved, and meanwhile, the evaporation of the cooling liquid 12 is promoted; lubricating oil is pressed into the oil storage cavity 25 in advance, when the top end of the expansion block 20 pushes the impact block 17 on the sliding rod 21 to move upwards until the support pipe 29 on the expansion block 20 is aligned with the oil outlet 28, the lubricating oil in the oil storage cavity 25 flows into the absorption block 30 from the oil outlet 28 under the extrusion of the pressure block 26, and then the absorption block 30 can coat the absorbed lubricating oil between the sliding rod 21 and the interior of the expansion block 20 along with the continuous expansion of the expansion block 20, so that the friction resistance of the expansion block 20 and the sliding rod 21 during relative movement is reduced, and the expansion block 20 can stably and effectively push the impact block 17 to move; when the support pipe 29 on the expansion block 20 is aligned with the oil outlet 28, the lubricating oil flowing into the absorption block 30 can move to each surface of the coating layer 31 through the conveying strip 32, so that the lubricating oil can be coated between the expansion block 20 and the side wall of the storage cavity 15 through the coating layer 31 when the outer surface of the subsequent expansion block 20 expands, and the friction resistance between the expansion block 20 and the side wall of the storage cavity 15 when expanding is greatly reduced.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A temperature controller for a micro motor includes a motor body (1); the method is characterized in that: a protective sleeve (2) is sleeved on the side wall of the motor body (1), a heat conduction layer (3) is arranged on the side wall of the protective sleeve (2) which is jointed with the motor body (1), a cavity (4) is arranged in the protective sleeve (2), one end of the protective sleeve (2) is connected with a sliding cavity (5), the end part of the protective sleeve (2) is provided with an airflow hole (6) communicated with the inner end of the sliding cavity (5), a sliding block (7) is connected in the sliding cavity (5) in a sliding way, the side wall of the sliding block (7) is attached to the inner wall of the sliding cavity (5), an elastic part (8) is connected between the sliding block (7) and the end part of the sliding cavity (5), one end of the sliding block (7) far away from the airflow hole (6) is connected with a push rod (9), the motor body (1) corresponding to one side of the push rod (9) is connected with a point-contact switch (10) capable of controlling the operation of the motor body (1).
2. The temperature controller for a micro motor according to claim 1, wherein: the side wall of the sliding cavity (5) far away from the airflow hole (6) is fixedly connected with a magnetic block (11), and the magnetic block (11) can attract the sliding block (7).
3. The temperature controller for a micro motor according to claim 2, wherein: the cavity (4) is filled with cooling liquid (12) which evaporates when heated.
4. A temperature controller for a micro motor according to claim 3, wherein: two groups of liquid receiving plates (13) are symmetrically connected to the inner ring side wall and the outer ring side wall of the cavity (4) respectively, the liquid receiving plates (13) are arc-shaped, and the free ends of the liquid receiving plates (13) are bent upwards.
5. The temperature controller for a micro motor according to claim 4, wherein: connect the tip of liquid board (13) to pass through the torsional spring and rotate to be connected on the lateral wall of cavity (4), just connect liquid board (13) crisscross distribution on the inner circle of cavity (4) and the outer lane, just connect and be connected with magnetic stripe (14) that can attract to liquid board (13) on cavity (4) lateral wall that liquid board (13) bottom corresponds, the middle part top of cavity (4) inner circle lateral wall has linked firmly storage chamber (15), storage chamber (15) bottom is connected with ventilative chamber (16) that the net board was made, storage chamber (15) inside striking piece (17) that are equipped with a plurality of ball shapes, storage chamber (15) top is connected with elastic membrane (18), a set of discharge opening (19) have been seted up on elastic membrane (18), storage chamber (15) bottom is connected with inflation piece (20) that water-swelling stagnant water strip material was made.
6. The temperature controller for a micro motor according to claim 5, wherein: store chamber (15) bottom symmetric connection and have slide bar (21), slide bar (21) bottom sliding connection has inflation piece (20), striking piece (17) from last to link to each other with slide bar (21) slip in proper order down, just discharge opening (19) set up on elastic membrane (18) with the corresponding position department in slide bar (21) top, and be connected with interlayer (22) between the outer lane lateral wall of elastic membrane (18) and cavity (4) that correspond between two discharge openings of symmetry (19).
7. The temperature controller for a micro motor according to claim 6, wherein: a traction rope (23) is respectively connected between the end parts of the two adjacent liquid receiving plates (13).
8. The temperature controller for a micro motor according to claim 7, wherein: the side wall of the cavity (4) corresponding to one side of the top end of the liquid receiving plate (13) is attached with a water absorbing layer (24), and the bottom end of the water absorbing layer (24) is attached to the top surface of the corresponding liquid receiving plate (13).
9. The temperature controller for a micro motor according to claim 8, wherein: slide bar (21) inside is provided with oil storage chamber (25), the bottom sliding connection of oil storage chamber (25) has pressure piece (26), be connected with elastomer (27) between the bottom of pressure piece (26) and oil storage chamber (25), a set of oil outlet (28) have been seted up with the corresponding lateral wall position department of striking block (17) in slide bar (21) top, the lubrication groove has been seted up with the position department that slide bar (21) laminated mutually in expansion block (20) top, lubrication groove internal connection has stay tube (29), the tip packing that stay tube (29) are close to slide bar (21) has absorption piece (30) of the material that absorbs water.
10. The temperature controller for a micro motor according to claim 9, wherein: the lubricating groove and the supporting pipe (29) penetrate through the expansion block (20), the side wall of the expansion block (20) is wrapped with a coating layer (31), the coating layer (31) is connected with the absorption block (30) through a conveying strip (32), and the coating layer (31) and the conveying strip (32) are both made of water-absorbing materials.
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| CN202111617541.5A CN114285210B (en) | 2021-12-27 | 2021-12-27 | Temperature controller for micro motor |
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| CN202111617541.5A CN114285210B (en) | 2021-12-27 | 2021-12-27 | Temperature controller for micro motor |
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| CN114285210B (en) | 2023-03-21 |
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